Base | Representation |
---|---|
bin | 11100110001000101101… |
… | …00010101111101111001 |
3 | 10111111022011002001110102 |
4 | 32120202310111331321 |
5 | 112143244203444024 |
6 | 2034024340525145 |
7 | 131261063454434 |
oct | 16304264257571 |
9 | 3444264061412 |
10 | 988426624889 |
11 | 35120a074980 |
12 | 13b6920b07b5 |
13 | 722926382a2 |
14 | 35ba936081b |
15 | 1aaa06b81ae |
hex | e622d15f79 |
988426624889 has 16 divisors (see below), whose sum is σ = 1093800278016. Its totient is φ = 885646717200.
The previous prime is 988426624817. The next prime is 988426624921.
988426624889 is nontrivially palindromic in base 10.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-988426624889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (988426624189) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424944 + ... + 2803070.
It is an arithmetic number, because the mean of its divisors is an integer number (68362517376).
Almost surely, 2988426624889 is an apocalyptic number.
It is an amenable number.
988426624889 is a deficient number, since it is larger than the sum of its proper divisors (105373653127).
988426624889 is a wasteful number, since it uses less digits than its factorization.
988426624889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381556.
The product of its digits is 764411904, while the sum is 74.
The spelling of 988426624889 in words is "nine hundred eighty-eight billion, four hundred twenty-six million, six hundred twenty-four thousand, eight hundred eighty-nine".
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